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GStreamer SDK documentation : gst-inspect
This page last changed on May 30, 2012 by xartigas.
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Name
gst-inspect - print info about a GStreamer plugin or element
Synopsis
gst-inspect [OPTION...] [PLUGIN|ELEMENT]
Description
gst-inspect is a tool that prints out information on available GStreamer plugins, information about a particular plugin, or information about a particular element. When executed with no PLUGIN or ELEMENT argument, gst-inspect will print a list of all plugins and elements together with a sumary. When executed with a PLUGIN or ELEMENT argument, gst-inspect will print information about that plug-in or element.
Options
gst-inspect accepts the following arguments and options:
PLUGIN
Name of a plugin. This is a file name
like %GSTREAMER_SDK_ROOT_X86%\lib\gstreamer-0.10\libgstaudiotestsrc.dll
for example.
ELEMENT
Name of an element. This is the name of an element, like
audiotestsrc for example
--help
Print help synopsis and available FLAGS
--gst-info-mask=FLAGS
GStreamer info flags to set (list with --help)
-a, --print-all
Print all plugins and elements
--print-plugin-auto-install-info
Print a machine-parsable list of features the specified plugin provides. Useful in connection with external automatic plugin installation mechanisms.
--gst-debug-mask=FLAGS
GStreamer debugging flags to set (list with --help)
--gst-mask=FLAGS
GStreamer info and debugging flags to set (list with --help)
--gst-plugin-spew
GStreamer info flags to set Enable printout of errors while loading GStreamer plugins
--gst-plugin-path=PATH
Add directories separated with ':' to the plugin search path
Example
gst-inspect-0.10 audiotestsrc
should produce:
Factory Details:
Long name: Audio test source
Class: Source/Audio
Description: Creates audio test signals of given frequency and volume
Author(s): Stefan Kost <ensonic@users.sf.net>
Rank: none (0)
Plugin Details:
Name: audiotestsrc
Description: Creates audio test signals of given frequency and volume
Filename: I:\gstreamer-sdk\2012.5\x86\lib\gstreamer-0.10\libgstaudiotestsrc.dll
Version: 0.10.36
License: LGPL
Source module: gst-plugins-base
Source release date: 2012-02-20
Binary package: GStreamer Base Plug-ins source release
Origin URL: Unknown package origin
GObject
+----GstObject
+----GstElement
+----GstBaseSrc
+----GstAudioTestSrc
Pad Templates:
SRC template: 'src'
Availability: Always
Capabilities:
audio/x-raw-int
endianness: 1234
signed: true
width: 16
depth: 16
rate: [ 1, 2147483647 ]
channels: [ 1, 2 ]
audio/x-raw-int
endianness: 1234
signed: true
width: 32
depth: 32
rate: [ 1, 2147483647 ]
channels: [ 1, 2 ]
audio/x-raw-float
endianness: 1234
width: { 32, 64 }
rate: [ 1, 2147483647 ]
channels: [ 1, 2 ]
Element Flags:
no flags set
Element Implementation:
Has change_state() function: gst_base_src_change_state
Has custom save_thyself() function: gst_element_save_thyself
Has custom restore_thyself() function: gst_element_restore_thyself
Element has no clocking capabilities.
Element has no indexing capabilities.
Element has no URI handling capabilities.
Pads:
SRC: 'src'
Implementation:
Has getrangefunc(): gst_base_src_pad_get_range
Has custom eventfunc(): gst_base_src_event_handler
Has custom queryfunc(): gst_base_src_query
Has custom iterintlinkfunc(): gst_pad_iterate_internal_links_default
Has getcapsfunc(): gst_base_src_getcaps
Has setcapsfunc(): gst_base_src_setcaps
Has acceptcapsfunc(): gst_pad_acceptcaps_default
Has fixatecapsfunc(): 62B82E10
Pad Template: 'src'
Element Properties:
name : The name of the object
flags: readable, writable
String. Default: "audiotestsrc0"
blocksize : Size in bytes to read per buffer (-1 = default)
flags: readable, writable
Unsigned Long. Range: 0 - 4294967295 Default: 4294967295
num-buffers : Number of buffers to output before sending EOS (-1 = unlimited)
flags: readable, writable
Integer. Range: -1 - 2147483647 Default: -1
typefind : Run typefind before negotiating
flags: readable, writable
Boolean. Default: false
do-timestamp : Apply current stream time to buffers
flags: readable, writable
Boolean. Default: false
samplesperbuffer : Number of samples in each outgoing buffer
flags: readable, writable
Integer. Range: 1 - 2147483647 Default: 1024
wave : Oscillator waveform
flags: readable, writable, controllable
Enum "GstAudioTestSrcWave" Default: 0, "sine"
(0): sine - Sine
(1): square - Square
(2): saw - Saw
(3): triangle - Triangle
(4): silence - Silence
(5): white-noise - White uniform noise
(6): pink-noise - Pink noise
(7): sine-table - Sine table
(8): ticks - Periodic Ticks
(9): gaussian-noise - White Gaussian noise
(10): red-noise - Red (brownian) noise
(11): blue-noise - Blue noise
(12): violet-noise - Violet noise
freq : Frequency of test signal
flags: readable, writable, controllable
Double. Range: 0 - 20000 Default: 440
volume : Volume of test signal
flags: readable, writable, controllable
Double. Range: 0 - 1 Default: 0.8
is-live : Whether to act as a live source
flags: readable, writable
Boolean. Default: false
timestamp-offset : An offset added to timestamps set on buffers (in ns)
flags: readable, writable
Integer64. Range: -9223372036854775808 - 9223372036854775807 Default: 0
can-activate-push : Can activate in push mode
flags: readable, writable
Boolean. Default: true
can-activate-pull : Can activate in pull mode
flags: readable, writable
Boolean. Default: false
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